An infinite geo series has the sum 16.
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document.write( "the sum of the first two terms is 15
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document.write( "So we have the system:\r\n" );
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document.write( "Use substitution:\r\n" );
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document.write( "using
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document.write( "using
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document.write( "Two solutions:\r\n" );
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document.write( "and\r\n" );
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document.write( "Edwin
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